Finding the Fourth Proportional to 2,403.27, 3,605.31 and 922.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.27 : 3,605.31 = 922.39 : x
2. Step 2: Convert to fraction form
   2,403.27/3,605.31 = 922.39/x
3. Step 3: Cross multiply
   2,403.27x = 3,605.31 × 922.39
4. Step 4: Simplify right side
   2,403.27x = 3,325,492.88
5. Step 5: Solve for x
   x = 3,325,492.88/2,403.27
6. Step 6: Final answer
   x = 1,383.74